fix: 🎸 switch ohif logo from text + font to SVG (#1021)

currently we are using font + text, not it was changed to use svg
instead

Closes: 723

platform/ui/src/__docs__/getting-started.mdx

@@ -33,8 +33,8 @@ as easy as possible. You will, however, need to include either the default font
 or the font you set for your theme:
 
 ```js
-// Google Fonts, Sanchez & Roboto
-'https://fonts.googleapis.com/css?family=Roboto:100,300,400,500,700|Sanchez&display=swap';
+// Google Fonts, Roboto
+'https://fonts.googleapis.com/css?family=Roboto:100,300,400,500,700&display=swap';
 ```
 
 `@ohif/ui` also looks for theme CSS variabled defined on `:root`. You can find a